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Question generation (QG) is the task of generating a valid and fluent question based on a given context and the target answer. According to various purposes, even given the same context, instructors can ask questions about different…

Computation and Language · Computer Science 2023-05-29 Shinhyeok Oh , Hyojun Go , Hyeongdon Moon , Yunsung Lee , Myeongho Jeong , Hyun Seung Lee , Seungtaek Choi

Multimodal information extraction (MIE) aims to extract structured information from unstructured multimedia content. Due to the diversity of tasks and settings, most current MIE models are task-specific and data-intensive, which limits…

Computation and Language · Computer Science 2023-10-05 Yuxuan Sun , Kai Zhang , Yu Su

Question answering (QA) tasks have been posed using a variety of formats, such as extractive span selection, multiple choice, etc. This has led to format-specialized models, and even to an implicit division in the QA community. We argue…

Computation and Language · Computer Science 2020-10-08 Daniel Khashabi , Sewon Min , Tushar Khot , Ashish Sabharwal , Oyvind Tafjord , Peter Clark , Hannaneh Hajishirzi

Multi-hop Question Generation is the task of generating questions which require the reader to reason over and combine information spread across multiple passages using several reasoning steps. Chain-of-thought rationale generation has been…

Computation and Language · Computer Science 2022-11-17 Saurabh Kulshreshtha , Anna Rumshisky

Multimodal Retrieval Augmented Generation (MMRAG) is a powerful approach to question-answering over multimodal documents. A key challenge with evaluating MMRAG is the paucity of high-quality datasets matching the question styles and…

Computation and Language · Computer Science 2024-10-07 Ian Wu , Sravan Jayanthi , Vijay Viswanathan , Simon Rosenberg , Sina Pakazad , Tongshuang Wu , Graham Neubig

The ability to ask questions is important in both human and machine intelligence. Learning to ask questions helps knowledge acquisition, improves question-answering and machine reading comprehension tasks, and helps a chatbot to keep the…

Computation and Language · Computer Science 2020-03-06 Bang Liu , Haojie Wei , Di Niu , Haolan Chen , Yancheng He

Multi-query attention (MQA), which only uses a single key-value head, drastically speeds up decoder inference. However, MQA can lead to quality degradation, and moreover it may not be desirable to train a separate model just for faster…

Computation and Language · Computer Science 2023-12-27 Joshua Ainslie , James Lee-Thorp , Michiel de Jong , Yury Zemlyanskiy , Federico Lebrón , Sumit Sanghai

Multiple choice questions (MCQs) are a popular method for evaluating students' knowledge due to their efficiency in administration and grading. Crafting high-quality math MCQs is a labor-intensive process that requires educators to…

Computation and Language · Computer Science 2024-05-03 Jaewook Lee , Digory Smith , Simon Woodhead , Andrew Lan

Automatic question generation (QG) is a challenging problem in natural language understanding. QG systems are typically built assuming access to a large number of training instances where each instance is a question and its corresponding…

Computation and Language · Computer Science 2019-06-07 Vishwajeet Kumar , Nitish Joshi , Arijit Mukherjee , Ganesh Ramakrishnan , Preethi Jyothi

A large majority of American adults get at least some of their news from the Internet. Even though many online news products have the goal of informing their users about the news, they lack scalable and reliable tools for measuring how well…

Computation and Language · Computer Science 2021-02-19 Adam D. Lelkes , Vinh Q. Tran , Cong Yu

KBQA is a task that requires to answer questions by using semantic structured information in knowledge base. Previous work in this area has been restricted due to the lack of large semantic parsing dataset and the exponential growth of…

Computation and Language · Computer Science 2022-01-28 Meihao Fan , Lei Zhang , Siyao Xiao , Yuru Liang

Effective multi-hop question answering (QA) requires reasoning over multiple scattered paragraphs and providing explanations for answers. Most existing approaches cannot provide an interpretable reasoning process to illustrate how these…

Computation and Language · Computer Science 2022-08-29 Zhenyun Deng , Yonghua Zhu , Yang Chen , Michael Witbrock , Patricia Riddle

Question Answering (QA) systems require a large amount of annotated data which is costly and time-consuming to gather. Converting datasets of existing QA benchmarks are challenging due to different formats and complexities. To address these…

Computation and Language · Computer Science 2022-10-14 Saptarashmi Bandyopadhyay , Shraman Pal , Hao Zou , Abhranil Chandra , Jordan Boyd-Graber

Multi-hop knowledge graph (KG) reasoning is an effective and explainable method for predicting the target entity via reasoning paths in query answering (QA) task. Most previous methods assume that every relation in KGs has enough training…

Artificial Intelligence · Computer Science 2019-09-02 Xin Lv , Yuxian Gu , Xu Han , Lei Hou , Juanzi Li , Zhiyuan Liu

State-of-the-art approaches to reasoning and question answering over knowledge graphs (KGs) usually scale with the number of edges and can only be applied effectively on small instance-dependent subgraphs. In this paper, we address this…

Machine Learning · Computer Science 2021-10-28 Mattia Atzeni , Jasmina Bogojeska , Andreas Loukas

Large language models (LLMs) still struggle with multi-hop reasoning over knowledge-graphs (KGs), and we identify a previously overlooked structural reason for this difficulty: Transformer attention heads naturally specialize in distinct…

Computation and Language · Computer Science 2026-04-15 Jinliang Liu , Jiale Bai , Shaoning Zeng

Large Language Models (LLMs) and Knowledge Graphs (KGs) offer a promising approach to robust and explainable Question Answering (QA). While LLMs excel at natural language understanding, they suffer from knowledge gaps and hallucinations.…

Machine Learning · Computer Science 2025-04-15 Jasper Linders , Jakub M. Tomczak

Has there been real progress in multi-hop question-answering? Models often exploit dataset artifacts to produce correct answers, without connecting information across multiple supporting facts. This limits our ability to measure true…

Computation and Language · Computer Science 2020-11-18 Harsh Trivedi , Niranjan Balasubramanian , Tushar Khot , Ashish Sabharwal

Knowledge graph question answering is an important technology in intelligent human-robot interaction, which aims at automatically giving answer to human natural language question with the given knowledge graph. For the multi-relation…

Computation and Language · Computer Science 2021-06-04 Xinmeng Li , Mamoun Alazab , Qian Li , Keping Yu , Quanjun Yin

Humans ask follow-up questions driven by curiosity, which reflects a creative human cognitive process. We introduce the task of real-world information-seeking follow-up question generation (FQG), which aims to generate follow-up questions…

Computation and Language · Computer Science 2023-09-20 Yan Meng , Liangming Pan , Yixin Cao , Min-Yen Kan